User Manual

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IPN 074-289L
Composer Operating Manual
The Analog I/O option card has a 9 pin D connector. The pin out is as follows:
The System I/O connector is fully described in section 4.3.6.1 on page 4-22.
Table 3-3 Option Card 9 Pin D Connector Pinout
pin # function
1 ground
2 not used
3 not used
4 Concentration Read-out
5 ground
6 MFC Read-back input
7 ground
8 not used
9 not used